[lldb] Fix some log messages in NativeProcessLinux

GitOrigin-RevId: f44ed64864642b008f0c757a5ff37c150ce47d48
diff --git a/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index 38b7092..7f2aba0 100644
--- a/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -353,7 +353,7 @@
 
   if (wait_pid == -1) {
     Status error(errno, eErrorTypePOSIX);
-    LLDB_LOG(log, "waitpid(-1, &status, _) failed: {1}", error);
+    LLDB_LOG(log, "waitpid(-1, &status, _) failed: {0}", error);
     return std::nullopt;
   }
 
@@ -874,7 +874,7 @@
   LLDB_LOG(log,
            "received signal {0} ({1}) with code {2}, (siginfo pid = {3}, "
            "waitpid pid = {4})",
-           Host::GetSignalAsCString(signo), signo, info.si_code,
+           Host::GetSignalAsCString(signo), signo, info.si_code, info.si_pid,
            thread.GetID());
 
   // Check for thread stop notification.